Canon Speedlite 430EX III-RT - Manual (Page 99)

99
Specifications
Flash Recycling
AF-Assist Beam
Radio Transmission Wireless Master/Slave Function (430EX III-RT only)
Firing interval
(Recycling time): Normal flash: Approx. 0.1 - 3.5 sec.,
Quick flash: Approx. 0.1 - 2.5 sec.
* When using AA/LR6 alkaline batteries
Flash-ready lamp: Lights up in red: normal flash available
Lights up in green: Quick flash available
Emission method: Switchable in Personal Functions between Intermittent
flashes (a series of small flashes) and Infrared AF-assist
beam
Emitting small series of
flashes: Supported during viewfinder shooting, and Quick mode
during Live View shooting or movie shooting
Effective distance: At center: Approx. 0.7 - 4 m / 2.3 -
13.1 ft., At periphery: Approx. 0.7 - 3.5 m / 2.3 - 11.5 ft.
Infrared AF-assist beam: Center AF point in viewfinder supported
Effective distance: Approx. 0.7 - 8 m / 2.3 - 26.2 ft.
Frequency: 2405 MHz - 2475 MHz
Modulation system: Primary modulation: OQPSK,
Secondary modulation: DS-SS
Wireless settings: Master/slave
Channel: Auto, Ch. 1 - 15
Wireless radio ID: 0000 - 9999
Slave unit control: Up to 5 groups (A, B, C, D, E), up to 15 units
Slave unit setting: Firing group A, B, C, D, E
Transmission distance: Approx. 30 m / 98.4 ft.
* When there are no obstacles or obstructions between
the master and slave units with no radio interference
with other devices
* Transmission distance may be shorter depending on
the relative positions of the units, surrounding
environment, weather conditions, etc.
Flash ratio control: 1:8 - 1:1 - 8:1, 1/2-step increments
Slave flash charge
confirmation: Slave unit charge status and slave flash ready icon are
displayed on the master unit’s LCD panel, AF-assist
beam emitter blinks and flash-ready lamp lights up on
the slave unit
Linked shooting: Possible